尿素催化

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(100) / 评论(0) 分类 Scientific American(十)月

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(153) / 评论(0) 分类 经济学人科技系列

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(107) / 评论(0) 分类 趣味英语

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问,精简军方的官

发表于:2019-02-08 / 阅读(89) / 评论(0) 分类 英语单词荟萃

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(128) / 评论(0) 分类 英语新闻

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(97) / 评论(0) 分类 VOA标准英语2008年(十月)
学英语单词
actinorhizal symbiosis
antiviral drug
ardas
assembling operation
assist(ed) panel
athymic mice
auxocardia
brewing room
Brillouin diagram
CAMAC
cefobids
chemical(engineering)equipment
chillinesses
choon
creutzfeldt - jakob disease
Cridland
datum value
Daulat
deckhead
defense cells
defensive publication program
Dikwa
dogend
Dracunculus
engine and crew navigation
erythrophagia
euaspa tayal
extragonadal
finecomb
general-register machine
germfreer
Gibel
gnophomyia (gymnastes) ornatipennis
government
grassies
gribbosity
hair-pulling test
have a haircut
have a thing for
high aluminium brick
holyoak
Horbelev
intimal
Kodala
labium maxillare
line loop resistance
low number of seed set per cross
manual trimming
Meerle
microcidin
micromicro
mollimock
monobromide
n-dimensional projective geometry
neopathy
nozzle grouping
oh-so-important
one-twenty-one
over capacity range
overemoting
packing parameter
paleoengineering
partial-thickness(burn)
pass out blood
peddock
pollution-controls
positional isomers
prime modulus
projectile aerodynamics
propyl butyl ether
pseudocercospora diversispora
psychodramatic
re(-)start
reactive sputter etching
reinforced concrete fence
repubblica
Rhododendron oligocarpum
rime break
runite
Ruskträsk
sanseis
Santa Barbara County
Saqqara
scores for sensitivity to iron chlorosis
self-refreshed dynamic storage
separated resonance
shear stress distribution in the contact patch
shokhin
skewing
Solanaceae
spontaneous potential compensator
stream-line
supergroup modem
task message receiver routine
taxi run
tolutation
trifluoperazine
trophoderm
Umm 'Ishrīn, Jab.
uredo pileae
white maize